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Impulse oscillometry

Takes about 20 Minutes

This test uses sound waves to detect changes in the airways of patients who have lung conditions, and also measures air flow blockages.

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About

About Oscillometry Testing

Oscillometry testing measures blockages to air flow in the lungs, and is used to check lung function or pulmonary function in very young children or other people who have difficulty following directions or breathing deeply.


The test is done by having your child breathe normally through a tube connected to a computer.


Your child will be asked to repeat the breaths several times to get an accurate measurement.


Oscillometry takes a total of about 20 minutes.


Your child may resume a normal diet and activities after the test.


Home Preparation


  • Very little preparation is required before oscillometry testing.

  • Your child should not use his or her short-acting asthma medications for 4 hours before the test.

  • You may bring along a "comfort" item—such as a favorite stuffed animal or "blankie"—for your child to hold during the test.

  • Your child may wear normal clothes to the test.


A parent’s/guardian’s role


During the Oscillometry Test

The most important role of a parent or guardian during the test is to help your child stay calm and relaxed. The best way to help your child stay calm is for you to stay calm.


You may stay with your child during the testing.


Feel free to ask any questions, but please ask them before or after the test.


After the Oscillometry Test

Your child may resume normal activities immediately after the test, unless otherwise directed by the doctor. Oscillometry testing does not cause side effects.

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